Cisco Cisco IOS Software Release 12.4(22)XR

Conditional Debugging Enhancements—Trace Functionality in Cisco PDSN Release 3.0

Randomized IMSI Handling

Protocol Layering and RP Connections

PPPoGRE RP Interface

A11 Session Update

SDB Indicator Marking

Resource Revocation for Mobile IP

Packet of Disconnect

IS-835 Prepaid Support

Prepaid Billing

Mobile IP Call Processing per Second Improvements

Always-On Feature

PDSN MIB Enhancements

Conditional Debugging Enhancements

Cisco Proprietary Prepaid Billing

3DES Encryption

Mobile IP IPSec

Hardware IPSec Acceleration Using IPSec Acceleration Module—Static IPSec

1xEV-DO Support

Integrated Foreign Agent

AAA Server Support

Packet Transport for VPDN

Proxy Mobile IP

Multiple Mobile IP Flows

PDSN Cluster Controller / Member Architecture

Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most 
serious caveats; severity 2 caveats are less serious. 

Caveats for Cisco IOS Releases 12.4 are available on Cisco.com at: